It has to fit your playstyle or come close enough you can adapt. Not everyone is good as zoning because it requieres patience and careful calculations done on the fly, whereas, rushdown is all about how many ways and how fast you can come with them to keep your opponent guessing. Another factor to consider is spacing and range: how comfortable you are baiting responses and what ranges, some players are exceptionally good at this with characters that have short range pokes, others need longer reaching pokes to play. So on and so forth.